Low intraspecific genetic diversity indicates asexuality and vertical transmission in the fungal cultivars of ambrosia beetles
Abstract: Ambrosia beetles farm ascomycetous fungi in tunnels within wood. These ambrosia fungi are regarded asexual, although population genetic proof is missing. Here we explored the intraspecific genetic diversity of Ambrosiella grosmanniae and Ambrosiella hartigii (Ascomycota: Microascales), the mutualists of the beetles Xylosandrus germanus and Anisandrus dispar. By sequencing five markers (ITS, LSU, TEF1α, RPB2, β-tubulin) from several fungal strains, we show that X. germanus cultivates the same two clones of A. grosmanniae in the USA and in Europe, whereas A. dispar is associated with a single A. hartigii clone across Europe. This low genetic diversity is consistent with predominantly asexual vertical transmission of Ambrosiella cultivars between beetle generations. This clonal agriculture is a remarkable case of convergence with fungus-farming ants, given that both groups have a completely different ecology and evolutionary history
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Notes
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ISSN: 1754-5048
- Event
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Veröffentlichung
- (where)
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Freiburg
- (who)
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Universität
- (when)
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2023
- Creator
- DOI
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10.1016/j.funeco.2017.11.010
- URN
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urn:nbn:de:bsz:25-freidok-2393655
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:47 AM CEST
Data provider
This object is provided by:
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- van de Peppel, Lennart J.J
- Aanen, Duur Kornelis
- Biedermann, Peter H. W.
- Universität
Time of origin
- 2023
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Ambrosia beetles adjust dispersal preferences to their degree of exhaustion
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Nutrient-poor breeding substrates of ambrosia beetles are enriched with biologically important elements
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Low intraspecific genetic diversity indicates asexuality and vertical transmission in the fungal cultivars of ambrosia beetles
Ecology and evolution of symbiont management in ambrosia beetles
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Symbiont selection via alcohol benefits fungus farming by ambrosia beetles
Ambrosia beetles adjust dispersal preferences to their degree of exhaustion
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Recent advances toward the sustainable management of invasive Xylosandrus ambrosia beetles
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Nutrient-poor breeding substrates of ambrosia beetles are enriched with biologically important elements
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